[nflug] nc multicast

[Eric Benoit]

that sounds awesome can you give me an example?


Cyber Source wrote:
> wow, I use tar and aside from network latency, it generally takes 
> about 5 min for 5gb, depending on processor speed. I've gotten away 
> from using networks entirely but that's my situation here. I use a usb 
> drive to transfer my new "dumps" to a system and usually boot the 
> thing with either a knoppix cd or usb stick. I even keep a copy of an 
> updated archives folder for apt, that I transfer into the new system, 
> this way it doesn't need to download all the packages again (or since 
> I made the dump), tweak a few UUID's and other settings, and all good. 
> I've installed entire systems this way in less than 15min sometimes, 
> all verbatim of the way I like our systems tweaked, ready to ship out.
>
> Eric Benoit wrote:
>> about 45 min
>>
>> Cyber Source wrote:
>>> video streaming??!!
>>> I was asking about some sort of benchmark. You said you want to 
>>> "speed things up" so, I asked for a benchmark, how much data are 
>>> your transferring for how much time? If one system is 16gb and you 
>>> image it to another via your network, how long is that taking?
>>>
>>> Eric Benoit wrote:
>>>> I'll tell you what I do but what are the times were talking about? 
>>>> How much time for how much data?
>>>>
>>>> I'm not video streaming?
>>>>
>>>> I'm just kind of ghosting 16 gb accross a 100mbs connection to 
>>>> about 5 machines at a time
>>>>
>>>> Cyber Source wrote:
>>>>> that still didnt answer my question Eric
>>>>>
>>>>> Eric Benoit wrote:
>>>>>> sorry, I meant speed things up by imaging more than one computer 
>>>>>> at a time
>>>>>>
>>>>>> Cyber Source wrote:
>>>>>>> I'll tell you what I do but what are the times were talking 
>>>>>>> about? How much time for how much data?
>>>>>>>
>>>>>>> Eric Benoit wrote:
>>>>>>>> zcat ./my.img.gz | nc 192.168.10.10 9000
>>>>>>>>
>>>>>>>> nc -l -p 9000 | dd of=/dev/sda
>>>>>>>>
>>>>>>>>
>>>>>>>> I'm using the setup above to image hard drives ...one computer 
>>>>>>>> at a time ...works great, but I want to speed things up...
>>>>>>>>
>>>>>>>> does this look right:
>>>>>>>>
>>>>>>>> source(192.168.10.10) image command:
>>>>>>>> zcat ./my.img.gz | nc -b -p 9000
>>>>>>>>
>>>>>>>>
>>>>>>>> destination command:
>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>
>>>>>>>> and another destination command:
>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>
>>>>>>>> and another destination command:
>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>
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